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Domestic Gas Safety CCN1 and Appliances (Core) Refresher Training and Reassessment

This course is for experienced gas installers who are looking to refresh their training as part of their Core Domestic Gas Safety (CCN1) reassessment.

Course Overview

Domestic Gas Safety CCN1 and Appliances (Core) Refresher Training and Reassessment includes:

CCN1 – Core Domestic Gas Safety, including CPA1 (Combustion Performance Analysis)

CENWAT – Central Heating Boilers & Water Heaters

CKR1 – Cookers

HTR1 – Space Heaters (including Gas Fires and Wall Heaters)

Installers may only undertake gas appliance training and re-assessment in modules which they have previously been certificated under the ACS scheme.

Impartial Examinations are undertaken under the control of UK Certification and this is separate from any Training Activity.

Entry Requirements

The Domestic Gas Safety CCN1 and Appliances (Core) Refresher Training and Reassessment course must be completed no more than 12 months after the expiry of the installer’s existing qualification. If the re-assessment is not completed by this date the candidate will be required to undertake the Domestic Gas Safety Course and Appliances (Initial) course.

CCN1 re-assessment can also be completed up to six months prior to the expiry date.

Course Content

Domestic Gas Safety CCN1 and Appliances (Core) Refresher Training and Reassessment covers:

  • Combustion, relevant pressures and gas rates
  • Gas pipe work
  • Tightness testing and purging, including low and medium pressure
  • Chimney systems recognition and testing
  • Ventilation
  • Gas controls
  • Flue gas analysis

Gas appliance re-assessment gas appliances training covers:

  • Installation defects
  • Basic gas safety fault finding

Re-assessment combines practical tests and multiple-choice test papers.

How to book

Call today to find out the next available course start date or fill in your details below and one of our team will call you back.


Call - 01924 973260


    This course will be held at our NGCFE Training Centre:

    NGCFE, Unit 5 Innovation Square, Featherstone WF7 6NX


    Why choose the National Gas Centre for Excellence?

    At the National Gas Centre for Excellence we are dedicated to making sure that you leave us with the qualifications you need to carry out your chosen trade or to take your career to the next level.

    Our modern facilities and experienced course leaders will provide everything you need to gain the right mix of knowledge and experience and pass any necessary assessments.

    Features include:

    • Expert course leaders with years of practical experience in the trade
    • Lunch and refreshments included as part of every on-site course
    • Fully fitted classrooms with all the equipment and fully working systems you need to gain real world practical experience.
    • Free onsite parking
    • Qualifications provided by UK Certification
    • A dedication to helping you through each course and pass the assessment first time

    We look forward to supporting you on your learning journey and providing you with the mix of skills and qualifications that can make a real difference to you and your customers.

    Related Courses

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